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Linux commands > Rhel Cert > Flashcards

Rhel Cert Flashcards

0
Q

what file holds the configuration information entered during an install?

A

/root/ anaconda-ks.cfg

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1
Q

What are the screens for installing rhel?

A 
6 screens Ctrl-Alt-F1 to F6
1 keyboard language select
2 bash shell command line
3 install log anaconda.log
4 kernel messages install.log.syslog
5 file system creation
6 graphical install screen
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2
Q

what file lists the packages installed during a regular installation?

A

/root/ install.log

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3
Q

what file stores the general messages created by an install?

A

/root/ install.log.syslog

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4
Q

what file captures messages related to network interfaces during an install?

A

/var/ log/ anaconda.ifcfg.log

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5
Q

what file contains informational, debug and other messages during and installation?

A

/var/log/anaconda.log

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6
Q

what file records messages related to the kernel during and install?

A

/var/log/anaconda.syslog

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7
Q

what file records messages related to Xwindows information during an install?

A

/var/log/anaconda.xlog

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8
Q

how do you save screen snapshots of each screen of an installation and where are they stored?

A

shift-prtscrn and they are stored in /root/ anaconda-screenshots

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9
Q

what is the custom partitioning tool for RHEL during and installation?

A

disk druid

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10
Q

what are the typical partitions created for a disk on a machine?

A 
/boot
/
swap (no mount point, type swap)
/home
/tmp
/usr
/var
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11
Q

what is the sequence for creating a logical volume system?

A

physical volume
logical volume group
logical volumes
note: /boot cannot be used for an LVM volume of any kind

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12
Q

what does GRUB stand for?

A

Grand Unified Bootloader

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13
Q

what command line took can be used to set kernel dump options?

A

system-config-kdump

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15
Q

Can RHEL6 be installed in text mode?

A

Yes, RHEL6 can be installed in text mode.

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16
Q

What is the description of the first detected network interface?

A

The description of the first detected network interface is “System eth0”

17
Q

How many console screens are available during the installation process?

A

There are six screens available during the installation process.

18
Q

The /boot partition within LVM can be used to boot RHEL successfully. True or False?

A

False. /boot must not be defined in the LVM.

19
Q

Which kernel version is RHEL6 based on?

A

RHEL6 is based on kernel version 2.6.32.

20
Q

What are the two 100% rebuilds of Red Hat Enterprise Linux?

A

CentOS and Scientific Linux.

21
Q

Are large processes divided into threads?

A

Yes, large processes are divided into smaller threads by the kernel.

22
Q

RHEL6 is available on DVDs as well as CDs from Red Hat’s website. True or False?

A

False. RHEL6 software is available only on a single DVD.

23
Q

Several log files are created and updated in the /tmp directory during the installation process. Where are these files moved to after the installation has been completed?

A

These files are moved into the /var/ log directory.

24
Q

What is the first step to create a volume group?

A

The first step to create a volume group is to initialize a disk or partition with the pvcreate command.

25
Q

What are the two key hardware requirements for a computer to support KVM?

A

A computer has to be 64-bit and support hardware virtualization.

26
Q

What is the name of the RHEL installer program?

A

The name of the RHEL installer program is Anaconda.

27
Q

What is the default location to store the bootloader program?

A

The Master Boot Record is the default location to store the bootloader program.

28
Q

Support for iSCSI and fibre channel disks is available by choosing Specialized Storage Devices during RHEL installation. True or False?

A

True.

29
Q

What happens if you do not select “Review and modify partitioning layout” with any of the first four disk layout options during installation?

A

Anaconda will create the default partitioning on the disk.

30
Q

What is the default name of the first local disk?

A

The name of the first local disk is /dev/ sda.

31
Q

Can you run the User Manager during the installation process to create user and group accounts?

A

Yes, you can run the User Manager during the installation process.

32
Q

What are the three disk partitioning techniques that RHEL supports?

A

The three disk partitioning techniques that RHEL support are the standard partitioning, the software RAID partitioning, and the LVM.

33
Q

Which is the default console screen for anaconda?

A

The disk partitioning tool that is only available during installation is Disk Druid.

34
Q

Red Hat Network provides access to automatic software updates. True or False?

A

True

35
Q

yes this is a real

A

true question.

36
Q

where are the network interface IP addresses configured?

A

/etc/sysconfig/network-scripts/ifcfg-*

such as ifcfg-eth0, ifcfg-eth1, or ifcfg-bond0, ifcfg-bond0:1, ifcfg-bond0:2

Linux commands (7 decks)

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